<template>
  <view>
    <view class="goods-item">
      <!-- 商品左侧图片区域 -->
      <view class="goods-item-left">
        <radio :checked="item.goods_state" color="#C00000" v-if="showRadio" @click="radioClickhandler"></radio>
        <image :src="item.goods_small_logo || defaultPic" class="goods-pic"></image>
      </view>
      <!-- 商品右侧信息区域 -->
      <view class="goods-item-right">
        <!-- 商品标题 -->
        <view class="goods-name">{{item.goods_name}}</view>
        <view class="goods-info-box">
          <!-- 通过管道符 | 调用过滤器 -->
          <view class="goods-price">￥{{item.goods_price | toFixed}}</view>
          <!-- 商品数量 -->
          <uni-number-box :min="1" v-if="showRadio" :value="item.goods_count" @change="numChangeHandler"></uni-number-box>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    name:"my-goods",
    props: {
      item: {
        type: Object,
        default: {}
      },
      // 控制是否开启图片左侧的 radio 
      showRadio: {
        type: Boolean,
        default: false
      }
    },
    data() {
      return {
        // 默认图片的地址
        defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
      };
    },
    filters: {
      // 把商品价格处理为带两位小数点的数字
      toFixed(num) {
        return num.toFixed(2)
      }
    },
    methods: {
      radioClickhandler() {
        this.$emit('radio-change', {
          goods_id: this.item.goods_id,
          goods_state: !this.item.goods_state
        })
      },
      numChangeHandler(e) {
        this.$emit('num-change', {
          goods_id: this.item.goods_id,
          goods_count: +e
        })
      }
    } 
  }
</script>

<style lang="scss">
.goods-item {
  display: flex;
  padding: 10px 5px;
  border-bottom: 1px solid #f0f0f0;
  
  .goods-item-left {
    margin-right: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    
    .goods-pic {
      width: 100px;
      height: 100px;
      display: block;
    }
  }
  .goods-item-right {
    display: flex;
    flex: 1;
    flex-direction: column;
    justify-content: space-between;
    
    .goods-name {
      font-size: 13px;
    }
    
    .goods-info-box {
      display: flex;
      align-items: center;
      justify-content: space-between;
      
      .goods-price {
        color: #C00000;
        font-size: 16px;
      }
    }
  }
}
</style>
